kids with flu symptoms

Matthew Staver/Bloomberg

Children are treated for flu-like symptoms in Colorado in 2009. Thus far, 2011-12 has been a slow flu season, but officials at the Centers for Disease Control and Prevention expect flu activity would rise in coming weeks.

Children are treated for flu-like symptoms in Colorado in 2009. Thus far, 2011-12 has been a slow flu season, but officials at the Centers for Disease Control and Prevention expect flu activity would rise in coming weeks.